*SUPPORT*
IN: zup tufa lug OUT: PURPLE YELLOW YELLOW
IN: zup gazzer OUT: PURPLE GREEN
IN: dax gazzer fep zup OUT: BLUE GREEN PURPLE
IN: lug tufa lug OUT: YELLOW YELLOW YELLOW
IN: zup gazzer tufa lug fep dax OUT: PURPLE GREEN YELLOW YELLOW BLUE
IN: gazzer OUT: GREEN
IN: lug gazzer OUT: YELLOW GREEN
IN: lug tufa gazzer OUT: YELLOW GREEN GREEN
IN: zup OUT: PURPLE
IN: lug fep dax OUT: YELLOW BLUE
IN: gazzer lug tufa lug fep zup fep dax OUT: GREEN YELLOW YELLOW YELLOW PURPLE BLUE
IN: lug lug tufa gazzer fep zup OUT: YELLOW YELLOW GREEN GREEN PURPLE
IN: lug lug tufa lug fep dax OUT: YELLOW YELLOW YELLOW YELLOW BLUE
IN: dax OUT: BLUE

*QUERY*
IN: zup tufa dax fep lug OUT: PURPLE BLUE BLUE YELLOW
IN: gazzer tufa dax OUT: GREEN BLUE BLUE
IN: dax dax fep zup fep dax fep zup OUT: BLUE BLUE PURPLE BLUE PURPLE
IN: gazzer lug OUT: GREEN YELLOW
IN: lug tufa zup fep gazzer OUT: YELLOW PURPLE PURPLE GREEN
IN: dax tufa dax OUT: BLUE BLUE BLUE
IN: dax fep lug OUT: BLUE YELLOW
IN: zup tufa gazzer OUT: PURPLE GREEN GREEN
IN: gazzer dax wif fep zup OUT: GREEN BLUE GREEN BLUE GREEN BLUE PURPLE
IN: gazzer tufa lug OUT: GREEN YELLOW YELLOW

*GRAMMAR*
gazzer -> GREEN 
 dax -> BLUE 
 lug -> YELLOW 
 zup -> PURPLE 
 x1 fep u1 -> [x1] [u1] 
 u1 tufa u2 -> [u1] [u2] [u2] 
 x1 wif -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 